Victron MultiPlus-II 48/3000 120V
A well-rounded 48 V inverter-charger for an off-grid cabin, backup system or large RV. Low idle draw, real certifications and Victron’s system integration make it a safe choice.
Amazon DRSA $1,052.30$1,052.30
4.4/5
A strong 48 V inverter-charger for an off-grid home or whole-house backup on 120 V. It handles big loads, charges fast from a generator, and carries the certifications inspectors ask for.
- 4,000 WContinuous
- 9,000 WSurge
- 120 VOutput
- 15 WIdle draw
- YesUL listed
- 5 yearsWarranty
Check price at AmazonCheck price at Northern Arizona Wind & Sun$1,307.32
Price checked October 24, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Runs a kitchen’s worth of appliances or a window air conditioner on battery
- 9,000 W peak starts well pumps and compressors
- Passes through 95 A of grid or generator power and charges at 70 A
- Certified to UL 1741 and UL 458; two units make 120/240 V split phase
Cons
- Idles at 15 W unless search or AES mode is on
- Heavy (71 lb) and hardwire only
- Bluetooth needs a VE.Bus Smart dongle sold separately
The Victron MultiPlus-II 48V 120V family
Every Victron MultiPlus-II 48V 120V model we rank, smallest first. Ratings compare each against its own size.
| Model | Continuous | Rating | Price |
|---|---|---|---|
| Victron MultiPlus-II 48/3000 120V | 2,400 W | 4.3/5 | $1,052.30 |
| Victron MultiPlus-II 48/5000 120V (this one) | 4,000 W | 4.4/5 | $1,307.32 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | PMP482505120 |
|---|---|
| Output | |
| Type | Pure sine wave inverter-charger |
| AC output | 120 V |
| Continuous power | 4,000 W |
| Surge power | 9,000 W |
| DC input range | 38 to 66 V |
| Idle draw | 15 W (0.3 A at 48 V) |
| Power-saving draw | 3 W |
| Peak efficiency | 96% |
| Connections | |
| AC outlets | 0 |
| GFCI outlets | No |
| Hardwire terminal | Yes |
| USB ports | None |
| Transfer switch | Yes |
| Pass-through rating | 95 A |
| Charger | 70 A |
| Lithium charge profile | Yes |
| Parallel units | Yes |
| Control and build | |
| Remote | Optional extra |
| App | Optional add-on |
| Display | No |
| Safety listing | LabTest certified to UL 1741 and CSA C22.2 No. 107.1 (LC22395-1) and to UL 458 (LC26-6384-1) |
| Cooling | fan |
| Dimensions | 676 x 330 x 164 mm (26.6 x 13.0 x 6.5 in) |
| Weight | 71 lb |
| Warranty | 5 years |
Alternatives in this size
OutBack VFXR3648A
For a cabin or off-grid home built around 120 V loads, with room to stack a second unit later. Rugged and code-friendly, but it idles high for its size.
Amazon $2,139$2,139
Magnum MS4048-L
For a 48 V RV, cabin or backup system that needs a rugged, listed 120 V inverter-charger with big surge.
ResSupply $2,026 A1 Solar Store $2,531.49$2,026
Compare
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